The Valuation of Coins in Medieval Jewish Jurisprudence
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The Valuation of Coins in Medieval Jewish Jurisprudence BY Daniel A. Schiffman * *Department of Economics and Business Administration, College of Judea and Samaria, Ariel, Israel 44837. I thank Francois Velde for allowing me to reproduce material from his website, and for providing me with useful background information on medieval minting. I also thank Ephraim Kleiman, Dov Paris, Warren Young, Jacob Rosenberg and participants at the History of Economics Society meetings (2002) for comments and suggestions on earlier drafts. I. INTRODUCTION The corpus of Jewish legal writings contains many discussions of economic issues and ideas. Yet, aside from a small group of scholars, historians of economics have tended to ignore the texts of Jewish law. As Ephraim Kleiman (1997) points out, the sheer size and inaccessibility of the Jewish law corpus presents a major barrier. Economic ideas are scattered across a vast amount of material. The canonical text of Jewish law is the Talmud, which spans 2,700 folio pages and two million words. Hundreds of commentaries have been written on the Talmud (or parts of it). There are three major codes of Jewish Law (based on the Talmud and selected commentaries), plus commentaries on the codes and lesser known codes (based on the major codes). About one million responsa (questions and answers in Jewish law) are known to exist; these are collected in hundreds of books. 1 Today, new commentaries and responsa appear each year, in addition to multiple rabbinic journals. In order to understand these materials, the scholar must be well versed in Hebrew, Aramaic, and the reading of the Talmud. A number of articles have been written on Talmudic economics, from a history of economic thought perspective (see especially Kleiman 1973, 1987a, 1987b and Liebermann 1979). 2 However, little research has been done on the post-Talmudic medieval period (Kleiman 1997). This paper addresses the valuation of coins and related monetary ideas, in the writings of medieval Jewish jurists. It presents their approach to various monetary problems, and compares it to the approach of their Christian contemporaries. 2 From an historical perspective, the monetary ideas of Jewish jurists would seem to be of limited relevance. Two factors limited the practical applicability of their ideas. First, Jews were subjects, not rulers, and were rarely in a position to make policy. 3 Jewish jurists recognized the law of the land as binding, and accepted established business customs, unless they contradicted Jewish law. 4 Second, Jews were excluded from most occupations in medieval Europe. They made their living by lending money at interest, to both Jews and non-Jews (Nelson 1969, Shatzmiller 1990). This reality created a serious problem for Jewish jurists. On the one hand, the Bible prohibits charging interest to a fellow Israelite. 5 On the other hand, enforcing this prohibition would cost Jewish moneylenders a lot of business. To solve the problem, Jewish jurists allowed the use of non-Jews as middlemen, in order to circumvent the prohibition (Soloveitchik 1985). Yet many of the Talmudic dicta that relate to money assume that interest is prohibited. Medieval commentators and codifiers maintained this assumption, despite the fact that it rarely applied in practice. Despite their limited applicability, the texts to be studied here reveal a great deal about the medieval Jewish conception of money, and how it differed from that of contemporary non-Jewish jurists. The Romanists (jurists of Roman Law, upon which European common law was based) were wedded to the doctrine of intrinsic worth; to them, a coin was worth as much as the precious metal inside it and no more. Coins were supposed to circulate by weight, with exchange rates between coins fixed according to the ratio of precious metal content. (Canonists, or church lawyers, held a somewhat less rigid view). Jewish commentators and codifiers, on the other hand, recognized and accepted deviations from intrinsic worth; since they regarded the Talmud as their 3 canonical text, they followed its lead in deviating from intrinsic worth. Not only that, they broadened the scope of these deviations through exegesis and codification. Medieval Jewish jurists were fully aware of regimes in which money circulates by tale (count), and were willing to accommodate these regimes. However, they did not formulate a comprehensive theory that would provide the basis for circulation by tale. II. CONCEPTIONS OF MONEY IN THE MEDIEVAL CHRISTIAN WORLD Thomas Sargent and Francois Velde (2002) explore “The Big Problem of Small Change.” Beginning in the 13th century, the monetary systems of Western Europe struggled with shortages of small denomination coins. The problem persisted until the 19th century, when a “standard formula” for handling small denominations was discovered. 6 Sargent and Velde pose two major questions: (a) Why did systems of commodity money with multiple denominations give rise to a problem of small change? (b) Why did it take so long to arrive at a solution? The first question is quite technical, and Sargent and Velde address it by means of a formal model. The second question receives an historical treatment. The basic story runs as follows: Two major hurdles had to be overcome before the standard formula could be implemented. First, medieval minting technology could not produce large quantities of difficult-to-counterfeit token coins, as required by the standard formula. 7 Second, medieval thinkers held, almost without exception, that coins should be valued by weight (“intrinsic worth”). Token coinage (which is almost intrinsically worthless) was completely unacceptable to medieval thinkers. How did medieval thinkers come to believe in intrinsic worth? We cannot give a complete answer, but we do know the following: 8 Although Roman Law does not dictate 4 valuation by intrinsic worth, the Romanists assumed it, and reinterpreted the Roman Law texts accordingly. According to the Corpus of Justinian, 9 a loan of coins is subject to the law of mutuum . The category of mutuum comprises all consumable commodities that are weighed, measured or counted. One who borrows such objects is legally required to return objects of the same kind and quality. 10 The Corpus does not specify whether coins are to be weighed, measured, or counted. The Romanists assumed that coins were to be weighed and measured, not counted. Based on this assumption, they ruled that one who borrowed coins must repay in metal of the same weight and fineness. For example, if the original coins were subsequently debased, the debtor could not repay in new, debased coins. This rule was formalized around 1220 in Portius Azo’s brocard (general principle), which states that “the same money or measure is owed that existed at the time of the contract.” 11 The coin-as-commodity doctrine became known as the communis opinio , a name which reflected its wide acceptance. Until 1200, the monetary system of Europe was simple—it was based almost exclusively on Charlemagne’s silver penny, which was first introduced in 800. In this environment, the Romanists used the coin-as-commodity doctrine to successfully resolve most legal issues that arose in economic life. But after 1200, the Romanists faced a far more complex reality. The monetary systems of different political domains evolved and diverged from each other. Coins issued by various principalities came to circulate side by side; coins were now issued in different denominations, were made of different metals (gold, silver, copper and alloys), and were made according to multiple purity standards. All of these parameters changed over time. The new monetary environment was closer to that which existed in Greco-Roman 5 times. It forced the Romanists to deviate from intrinsic worth, by allowing for various exceptions and qualifications. The acceptance of exceptions and qualifications made it easier for thinkers to contemplate more far-reaching deviations. At the same time, the Canonists studied the issue of coin valuation from a different perspective. They asked whether the monarch had the right to levy segniorage on the minting of coins (which is clearly a deviation from intrinsic worth). They concluded that seigniorage was acceptable and in some cases even desirable. Ultimately, the intellectual process just described led to the entirely new monetary doctrines that would emerge during the Renaissance. Due to their adherence to the doctrine of intrinsic worth, the Romanists faced difficulties in reading older sources that seemed to articulate dissenting viewpoints. They were forced to radically reinterpret texts such as this one, written by the Roman jurist Paulus (d. 235): 12 All buying and selling has its origin in exchange or barter. For in times past money was not so, nor was one thing called “merchandise” and the other “price”; rather did every man barter what was useless to him for that which was useful, according to the exigencies of his current needs; for it often happens that what one man has in plenty another lacks. But since it did not always and easily happen that when you had something which I wanted, I, for my part, had something that you were willing to accept, a material was selected which, being given a stable value ( aestimatio ) by the state, avoided the problems of barter by providing an equality of quantity 6 (aequalitas quantitatis ). That material, struck with a public design ( forma ), offers use ( usus ) and ownership ( dominium ) not so much by its substance (ex substantia ) as by its quantity ( ex quantitate ), so that no longer are the things exchanged both called wares but one of them is termed the price (pretium ). As Sargent and Velde (p. 94) point out, the Romanist glossators were especially troubled by the phrase “not so much by its substance as by its quantity” and were forced to twist its meaning in order to fit their preconceptions.